BenQ SP820 Projector User Manual


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BenQ SP820 RS-232 Programming Guide
BenQ SP820 RS-232 Programming Guide
5. Query Command
ITEM ASCII HEX
Software Version
~ q V CR
7Eh 71h 56h 0Dh
Power State
~ q P CR
7Eh 71h 50h 0Dh
Input Select
~ q S CR
7Eh 71h 53h 0Dh
Lamp Hours
~ q L CR
7Eh 71h 4Ch 0Dh
Brightness
~ q B CR
7Eh 71h 42h 0Dh
Contrast
~ q C CR
7Eh 71h 43h 0Dh
Color (Video)
~ q R CR
7Eh 71h 52h 0Dh
Tint (Video)
~ q N CR
7Eh 71h 4Eh 0Dh
Scaling
~ q A CR
7Eh 71h 41h 0Dh
Color Temperature
~ q T CR
7Eh 71h 54h 0Dh
Projection Mode
~ q J CR
7Eh 71h 4Ah 0Dh
Response message
ITEM Response Message examples
Software Version …..
Power State
On Off
Input Select
RGB DVI Video S-Video Component
Lamp Hours 2000
Brightness 100
Contrast 100
Color (Video) 100
Tint (Video) 100
Scaling
4:3 16:9
Color Temperature
Cool Normal
Projection Mode
Front Rear+Ceiling Rear Ceiling
Example 1. Get Brightness value
Send Command: ~qBCR
Response: 100
Example 2. Get Color Temperature
Send Command: ~qTCR
Response: Cool
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